The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 18, 2004
Filed:
Oct. 03, 2002
Applicant:
Inventor:
Günther Pozgainer, Graz, AT;
Assignee:
Tesma Motoren-und Getrieaetechnik Ges.m.b.H., Sinabelkirchen, AT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02M 3/302 ;
U.S. Cl.
CPC ...
F02M 3/302 ;
Abstract
A pressure control valve for a fuel tank with a spring-loaded valve body is intended to combine a maximum sealing effect with an unobstructed and reliable response. This is achieved in that the valve body comprises a foot part and a plate, the foot part being guided displaceably in the valve housing in the axis of symmetry, the plate having, in a staggered manner, a first groove and a second groove for holding a first sealing ring and a second sealing ring, the two sealing rings bearing against the sealing surface when the valve is closed and being flowed around in series when the valve is open.